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Overdrive has a mind of its own

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Bob,

I did a little research and the adjustment screw you have is the latest version. From what I have found, the button was used and with many Healey parts during assembly, the older part would be installed (sometimes dispersed through a number of production cycles) until they ran out. The indication is that the adjustment screw is in the same location as the button was installed and the only difference was the hole for the rubber button was not tapped. Since my OD has always had he button, I am not aware how the adjustment screw you have is mounted and secured since there is little space on top of the mounting (the button is not that tall) for a bolt head and lock not.

Ray(64BJ8P1)
 
Hi Ray,

That's what I surmised based on the Laycock part/model numbers in the Moss catalog. The 'adjusting screw' in my OD does not have a head; i.e. it's--don't know the correct name for it ('set screw?')--like a short length of allthread and, IIRC, it has a slot--or maybe a hole for a hex key--so that it can be turned. The locknut is thin. IIRC, it protrudes something like a quarter or 5/16 inch or so.

Gotta say, I'm glad I have the screw-type; a rubber button would degrade (flatten?) over time and need to be replaced, and since they appear to be N/A that would be a pain. Unless the hole for the rubber button is threaded it wouldn't be easy to convert to the screw-type.

Bob
 
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